Single query per task

Some of our tasks have concatenated queries, for example a task might contain:

query_1; query_2;query_3;

The reason for this is that we don't set the dependencies between tasks in the plan step correctly, therefore we use concatenated queries to ensure the order.However, we already have the logic that can execute dependent jobs in order. To me it would be simpler if we knew that a task contains only a single query.